S&P Short - High Risk - Great Reward

This might be a great time to short the SPX. Despite being on a crazy bull trend, this point looks great for some shorts.

Low volume - Volume divergence.
RSI overbought - RSI divergence.
R3 Fib pivot broken by a lot (overbought signal).
2300 Psychological resistance
Resistance that goes back to April 2016.
Reward to Risk Ratio : 2.8 to 1.